Step-by-step explanation:
2tan 30° / 1 + tan² 30° =
2(⅓√3) /1 + (⅓√3)² =
⅔√3 / 1+ ⅓ =
⅔√3 / 4/3 =
2/4 √3 =
½√3 = sin 60° (proven)
The answer is <span>D. –1 + 2 = 1
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Slope : y2 - y1 / x2 - x1
( 2 , 6 ) (7 , 0)
0 - 6 / 7 - 2
- 6 / 5 is the slope